Celestion TF 1525E

15" · 8 Ω · 300 W · 97.6 dB · datasheet ↗

Thiele-Small parameters

Nominal size	15"
Impedance	8 Ω
Fs	49.8 Hz
Qts	0.493
Qes	0.53
Qms	7.12
Vas	128.2 L
Sd	855.3 cm²
Xmax	3.5 mm
Re	6.48 Ω
Bl	17.7 T·m
Mms	81.7 g
Pe	300 W
Sensitivity	97.6 dB

Alignment hint

EBP	94 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 121.3 L

EBP 50-100: works in either a sealed or ported alignment.

Rules of thumb from T/S parameters only. Verify against a real simulation before cutting wood.

Substitute candidates

Driver	Fs (Hz)	Qts	Vas (L)	Xmax (mm)	Sens (dB)	Fit	Notes	Compare
Celestion TF1525E	49.8 =	0.5 +0.01	128.19 -0.01	3.5 =	96.6 -1	close	4 Ω vs 8 Ω: amp load changes	+
Celestion TF1525E 4 Ohms	49.8 =	0.493 =	128.2 =	3.5 =	100.7 +3.1	close	4 Ω vs 8 Ω: amp load changes	+
Jensen BP15/250	47 -2.8	0.503 +0.01	133.1 +4.9	3.4 -0.1	96.7 -0.9	close	Xmax 3.4 mm < 3.5 mm: lower excursion-limited SPL	+
Jensen PUNCH BP 15/250	47 -2.8	0.503 +0.01	133.1 +4.9	3.4 -0.1	96.7 -0.9	close	Xmax 3.4 mm < 3.5 mm: lower excursion-limited SPL	+
RCF L 17/64AF	51 +1.2	0.468 -0.02	130 +1.8	4 +0.5	98.8 +1.2	close	150 W vs 300 W: lower power handling	+
Celestion TF 1525E 4 Ohms	47.5 -2.3	0.473 -0.02	141 +12.8	3.5 =	97.2 -0.4	close		+
Turbosound TS-15W300/8A	46 -3.8	0.476 -0.02	130.2 +2	4.9 +1.4	97 -0.6	close		+
Audax PR380T0 vp_d	50.5 +0.7	0.472 -0.02	137.8 +9.6	3.3 -0.2	98.8 +1.2	close	150 W vs 300 W: lower power handling · Xmax 3.3 mm < 3.5 mm: lower excursion-limited SPL	+
LaVoce WSF152.50	46 -3.8	0.505 +0.01	137 +8.8	4.7 +1.2	97.3 -0.3	close		+
HH Electronics B15L	48 -1.8	0.479 -0.01	151.7 +23.5	3.6 +0.1	97.8 +0.2	close	100 W vs 300 W: lower power handling	+

Compare the closest 3 against the TF 1525E →

Ranked on parameter similarity only (Qts, Fs, Vas, Xmax, sensitivity). Same nominal size required. A hint, not a simulation, model the swap before cutting or buying.

Used in enclosures (0)

No enclosure in the catalog uses this driver yet.